When is the last frost in Ona, FL?

For ZIP code 33865, the average last spring frost (32°F) is February 4, based on NOAA 1991-2020 climate normals for the Wauchula, FL weather station. There is a 1-in-10 chance of a frost after March 5.

When is the first frost in Ona, FL?

The average first fall frost (32°F) is January 8. There is a 1-in-10 chance of frost by December 13, so tender plants are at risk from that point on.

How long is the growing season in 33865?

In half of years, the frost-free season (between the last and first 32°F frost) is at least 332 days long.

Are these frost dates a forecast?

No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.

Frost dates for 33865Ona, FL

The average last spring frost in Ona is February 4 and the average first fall frost is January 8, giving a typical growing season of about 332 days. Dates are based on NOAA 1991-2020 climate normals.

Average last spring frost: Feb 4
Average first fall frost: Jan 8
Growing season: 332 days

Frost risk by date

NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.

Spring dates: chance of a frost AFTER the date. Fall dates: chance of a frost BEFORE the date.
Temperature	Last spring: 90% / 50% / 10% chance	First fall: 10% / 50% / 90% chance	Growing season (50%)	Years with at least one
Light frost (36°F)	Jan 23 · Feb 22 · Mar 20	Nov 27 · Dec 25 · Jan 25	301 days	99%
Frost / freeze (32°F)	Jan 4 · Feb 4 · Mar 5	Dec 13 · Jan 8 · Feb 7	332 days	81%
Hard freeze (28°F)	Dec 30 · Jan 28 · Feb 18	Dec 24 · Jan 15 · Feb 9	365 days	39%

Where these dates come from

ZIP code 33865 is matched to the NOAA station Wauchula, FL, 19.7 km away, at 60 ft elevation (25 ft lower than the ZIP code's center). Nearby stations for comparison:

Station	Elevation	Avg last frost	Avg first frost
Wauchula, FL (used)	60 ft	Feb 4	Jan 8
Arcadia, FL	25 ft	Feb 7	Jan 4
Ft Green 12 Wsw, FL	112 ft	Feb 6	Jan 3
Myakka Rvr Sp, FL	19 ft	Feb 1	Jan 6

Frost dates near Ona

Wauchula, FL 33873 · last Feb 4, first Jan 8
Zolfo Springs, FL 33890 · last Feb 4, first Jan 8
Bowling Green, FL 33834 · last Feb 4, first Jan 8
Arcadia, FL 34266 · last Feb 7, first Jan 4
Myakka City, FL 34251 · last Feb 1, first Jan 6
Fort Ogden, FL 34267 · last Feb 7, first Jan 4
Nocatee, FL 34268 · last Feb 7, first Jan 4
Bradley, FL 33835 · last Jan 24, first Jan 7

Frequently asked questions

When is the last frost in Ona, FL?: For ZIP code 33865, the average last spring frost (32°F) is February 4, based on NOAA 1991-2020 climate normals for the Wauchula, FL weather station. There is a 1-in-10 chance of a frost after March 5.
When is the first frost in Ona, FL?: The average first fall frost (32°F) is January 8. There is a 1-in-10 chance of frost by December 13, so tender plants are at risk from that point on.
How long is the growing season in 33865?: In half of years, the frost-free season (between the last and first 32°F frost) is at least 332 days long.
Are these frost dates a forecast?: No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.